<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="../assets/js/flex.js"></script>
    <link rel="stylesheet" href="../assets/css/switch.css">
    <title>Title</title>
</head>
<body>
<div class="ui-switch">
    <input type="checkbox" checked="">
</div>
</body>
</html>